Respuesta :

Answer:

-4( 4x^2 -y^2)

Step-by-step explanation:

so I did the step on the paper

first line : is the equation itself

2nd line : I multiple the term in the parentheses together

3rd line: I multiple the - 2 to the term I got

4th line : I simplify it

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Answer:

-16x^2 + 4y^2

Step-by-step explanation:

-2(4x+2y) x (2x-y)

(-8x-4y) x (2x-y)

-16x^2+8xy+8xy+4y^2

-16x^2+4y^2

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